Simultaneous seismic refraction and tomography

Abstract

A data seismic sensing system and method for obtaining seismic refraction data and tomography data. The system may comprise a subsurface sensor array, wherein the subsurface sensor array is a fiber optic cable disposed near a wellbore, a seismic source, wherein the seismic source is a truck-mounted seismic vibrator comprising a base plate, and a surface sensor array, wherein the surface sensor array is coupled to the seismic source. The method may comprise disposing a surface sensor array on a surface, disposing a subsurface sensor array into a wellbore, activating a seismic source, wherein the seismic source is configured to create a seismic wave, recording a reflected seismic wave with the surface sensor array and the subsurface sensor array, and creating a seismic refraction data and a seismic tomography data from the reflected seismic wave.

What is claimed is: 
     
       1. A data seismic sensing system, comprising:
 a seismic source, wherein the seismic source is configured to create a seismic wave; 
 a subsurface sensor array disposed in a wellbore, wherein the subsurface sensor array comprises a fiber optic cable extending into the wellbore and is connected to a single mode—multimode converter, wherein the subsurface sensor array is configured to record a reflected seismic wave; 
 a surface sensor array, wherein the surface sensor array is configured to record the reflected seismic wave, connected to a vehicle and disposed on the surface; and 
 an information handling system, wherein the information handling system is configured to correct attribute time-lapse seismic data and create a vertical seismic profile. 
 
     
     
       2. The data seismic sensing system of  claim 1 , wherein the seismic source is a based plate connected to the vehicle. 
     
     
       3. The data seismic sensing system of  claim 1 , wherein the surface sensor array comprises a communication line and a plurality of sensors. 
     
     
       4. The data seismic sensing system of  claim 1 , wherein the single mode—multimode converter and the fiber vertical seismic profile are connected to the information handling system. 
     
     
       5. The data seismic sensing system of  claim 1 , wherein the information handling system is further configured to create a near-surface velocity model from the recorded reflected seismic waves by the surface sensor array. 
     
     
       6. The data seismic sensing system of  claim 1 , wherein the information handling system is further configured to create a seismic refraction data and a seismic tomography data from the recorded reflected seismic waves. 
     
     
       7. The data seismic sensing system of  claim 6 , wherein the information handling system is further configured to create a velocity model by inverting the seismic tomography data and the recorded reflected seismic waves. 
     
     
       8. The data seismic sensing system of  claim 1 , wherein the information handling system is further configured to update a seismic tomography data with a measured travel time of the reflected seismic wave over a selected time period. 
     
     
       9. A method for obtaining seismic refraction data and tomography data comprising:
 disposing a surface sensor array on a surface of a wellbore; 
 activating a seismic source, wherein the seismic source is configured to create a seismic wave; 
 recording a reflected seismic wave with the surface sensor array and a subsurface sensor array that is disposed in the wellbore, wherein the surface sensor array is connected to a vehicle disposed on the surface, wherein the subsurface sensor array comprises a fiberoptic cable that is connected to a single mode—multimode converter, wherein the single mode—multimode converter is connected to an information handling system; and 
 creating a seismic refraction data, a vertical seismic profile, and a seismic tomography data from the reflected seismic wave. 
 
     
     
       10. The method of  claim 9 , further comprising creating the seismic refraction data and the seismic tomography data from the recorded reflected seismic waves. 
     
     
       11. The method of  claim 10 , further comprising inverting the seismic tomography data and the recorded reflected seismic waves to create a velocity model. 
     
     
       12. The method of  claim 9 , further comprising updating the seismic tomography data with a measured travel time of the reflected seismic wave over a selected time period. 
     
     
       13. The method of  claim 9 , wherein the surface sensor array comprises a communication line and a plurality of sensors. 
     
     
       14. The method of  claim 9 , wherein the seismic source is a base plate connected to a vehicle. 
     
     
       15. The method of  claim 9 , further comprising creating a near-surface velocity model from the recorded reflected seismic waves by the surface sensor array. 
     
     
       16. A data seismic sensing system, comprising:
 a seismic source, wherein the seismic source is configured to create a seismic wave; a subsurface sensor array disposed in a wellbore sensor array is configured to record a reflected seismic wave; 
 a surface sensor array, wherein the surface sensor array is configured to record the reflected seismic wave and connected to a single mode—multimode converter; and 
 an information handling system, wherein the information handling system is configured to correct attribute time-lapse seismic data and create a vertical seismic profile. 
 
     
     
       17. A method for obtaining seismic refraction data and tomography data comprising:
 disposing a surface sensor array on a surface of a wellbore, wherein the subsurface sensor array comprises a fiberoptic cable that is connected to a single mode—multimode converter, wherein the single mode—multimode converter and the fiber vertical seismic profile are connected to an information handling system; 
 activating a seismic source, wherein the seismic source is configured to create a seismic wave; 
 recording a reflected seismic wave with the surface sensor array and a subsurface sensor array that is disposed in the wellbore; and 
 creating a seismic refraction data, a vertical seismic profile, and a seismic tomography data from the reflected seismic wave.